1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Barr-Robertson Syndicate

Past Producer in Guyana with commodity Gold
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10061054
MRDS ID TC32182
Record type Site
Current site name Barr-Robertson Syndicate
Alternate or previous names Sealy Mine, Arakaka Goldfield

Geographic coordinates

Geographic coordinates: -60.02851, 7.60258 (WGS84)

Site location context

Political divisions (FIPS codes)

Guyana(country)

South America(continent)

Land(continent)

Geographic areas

Country
Guyana

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result TAILINGS: 0.35-0.18 OZ/TON AU, 0.039-0.017 OZ/TON AU

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Bartica Assemblage
    Rock description Bartica Assemblage
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -60.02851, 7.60258
ListMap

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1896

Mining district

District name Northwest District Division

Ownership information

  • Type Operator
    Owner Barr-Robertson Syndicate
    First year 1896
    Last year 1900

Reference information

Bibliographic references

  • Deposit

    MACDONALD, J.R., 1968, A GUIDE TO MINERAL EXPLORATION IN GUYANA: GEOLOGICAL SURVEY OF GUYANA, BULLETIN 38, P. 58.

  • Deposit

    BRACEWELL, S., 1938, GEOLOGICAL RECONNAISSANCE SURVEY OF PART OF THE NORTHWEST DISTRICT WITH AN APPENDIX CONTAINING A REPORT ON THE GEOLOGY OF THE ARUKA DISTRICT BY W.T. LORD, 1929: GEOLOGICAL SURVEY OF BRITISH GUIANA, BULLETIN NO. 7.

  • Other Database

    CIMRI

  • Production

    BRACEWELL (1938)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1992 Page, Norman J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site